Upload
jaime-uribe
View
469
Download
31
Embed Size (px)
Citation preview
HUAWEI TECHNOLOGIES CO., LTD.
www.huawei.com
HUAWEI Confidential
Security Level:
WCDMA Mobility Counter System and KPI
ISSUE 1.0
HUAWEI TECHNOLOGIES CO., LTD. Page 2HUAWEI Confidential
� WCDAM handover can be divided into different categories.
� Different counters and KPI are used for different handover.
HUAWEI TECHNOLOGIES CO., LTD. Page 3HUAWEI Confidential
� Upon completion of this course, you will be able to:
�Know different handover counter system
�Know different handover KPI
HUAWEI TECHNOLOGIES CO., LTD. Page 4HUAWEI Confidential
Mobility Counter and KPI System
� Soft handover
� Softer handover
� Hard handover
� Inter-frequency hard handover
� Intra-frequency hard handover
� Inter RAT handover
� Inter-RAT CS handover
� Inter-RAT PS handover
� HSDPA handover
� Handover between HSDPA cells
� Handover between HSDPA and DCH
HUAWEI TECHNOLOGIES CO., LTD. Page 5HUAWEI Confidential
Chapter 1 Soft Handover Counter and KPI Chapter 1 Soft Handover Counter and KPI
Chapter 2 Hard Handover Counter and KPIChapter 2 Hard Handover Counter and KPI
Chapter 3 InterChapter 3 Inter--RAT Handover Counter and KPIRAT Handover Counter and KPI
Chapter 4 HSDPA Handover Counter and KPIChapter 4 HSDPA Handover Counter and KPI
HUAWEI TECHNOLOGIES CO., LTD. Page 6HUAWEI Confidential
Soft Handover Counter System
� Soft handover procedure
� Measurement report: 1A, 1B,1C, 1D
� Active set update & Active set update complete:
− 1A, 1B,1C
HUAWEI TECHNOLOGIES CO., LTD. Page 7HUAWEI Confidential
Soft Handover Counter System
� Soft handover (RNC)
� Attempt: VS.SHO.Att.RNC at point B
� Success: VS.SHO.Succ at point C
� UEs with One RL: VS.SHO.AS.1
� UEs with Two RLs Combined: VS.SHO.AS.2Softer
� UEs with Two RLs Uncombined: VS.SHO.AS.2Soft
� UEs with Three RLs Combined: VS.SHO.AS.3Softer
� UEs with Three RLs and Two of them Combined: VS.SHO.AS.3Soft2Softer
� UEs with Three RLs Uncombined: VS.SHO.AS.3Soft
� Call Drops due to Soft Handover: VS.SHO.Drop.RNC
HUAWEI TECHNOLOGIES CO., LTD. Page 8HUAWEI Confidential
� Soft handover (Cell)
� Soft handover based on different services
− VS.SHO.AMR.AttOut
− VS.SHO.CS64.AttOut
− VS.SHO.PS64.AttOut
− VS.SHO.PS128.AttOut
− VS.SHO.PS384.AttOut
� RL Additions or deletions for Soft Handover
− SHO.AttRLAddUESide at point B SHO.SuccRLAddUESide at point C
− SHO.AttRLDelUESide at point B SHO.SuccRLDelUESide at point C
Soft Handover Counter System
− VS.SHO.AMR.SuccOut
− VS.SHO.CS64.SuccOut
− VS.SHO.PS64.SuccOut
− VS.SHO.PS128.SuccOut
− VS.SHO.PS384.SuccOut
HUAWEI TECHNOLOGIES CO., LTD. Page 9HUAWEI Confidential
� Soft handover (Cell)
� Other related counters:
− SHO.FailRLAddUESide.NoReply
Soft Handover Counter System
HUAWEI TECHNOLOGIES CO., LTD. Page 10HUAWEI Confidential
Soft Handover KPI
� Soft Handover Success Rate
�Formula
�Measurement scope:
− RNC & Cell
�Description
− This KPI can be used to evaluate the soft handover success Rate
in one RNC or one cell, which includes softer handover.
%100*_mptSHOASUAtte
essSHOASUSuccSRSHO =
HUAWEI TECHNOLOGIES CO., LTD. Page 11HUAWEI Confidential
Soft Handover KPI
� Soft Handover Success Rate
� Counters (RNC)
− SHOASUAttempt: VS.SHO.Att.RNC
− SHOASUSuccess: VS.SHO.Succ
� Counters (Cell)
− SHOASUAttempt:
▪ SHO.AttRLAddUESide
▪ SHO.AttRLDelUESide
− SHOASUSuccess:
▪ SHO.SuccRLAddUESide
▪ SHO.SuccRLDelUESide
HUAWEI TECHNOLOGIES CO., LTD. Page 12HUAWEI Confidential
Soft Handover KPI
� Average Active Set Size
�Formula
�Measurement scope:
− RNC
�Description
− This KPI can be used to evaluate the soft handover percentage
%100*3*2*1* 321
++=UE
UEUEUESHR
HUAWEI TECHNOLOGIES CO., LTD. Page 13HUAWEI Confidential
Soft Handover KPI
� Average Active Size
� Counters
− UE1: VS.SHO.AS.1
− UE2: VS.SHO.AS.2Softer & VS.SHO.AS.2Soft
− UE3: VS.SHO.AS.3Softer, VS.SHO.AS.3Soft & VS.SHO.AS.3Soft2Softer
− UE: VS.SHO.AS.1+ VS.SHO.AS.2Softer+VS.SHO.AS.2Soft+
VS.SHO.AS.3Softer+VS.SHO.AS.3Soft + VS.SHO.AS.3Soft2Softer
HUAWEI TECHNOLOGIES CO., LTD. Page 14HUAWEI Confidential
Chapter 1 Soft Handover Counter and KPI Chapter 1 Soft Handover Counter and KPI
Chapter 2 Hard Handover Counter and KPIChapter 2 Hard Handover Counter and KPI
Chapter 3 InterChapter 3 Inter--RAT Handover Counter and KPIRAT Handover Counter and KPI
Chapter 4 HSDPA Handover Counter and KPIChapter 4 HSDPA Handover Counter and KPI
HUAWEI TECHNOLOGIES CO., LTD. Page 15HUAWEI Confidential
Hard Handover Counter System
� Hard handover procedure
� Inter-frequency hard handover
� Intra-frequency hard handover
HUAWEI TECHNOLOGIES CO., LTD. Page 16HUAWEI Confidential
Inter-frequency Hard Handover Counter System
� Inter-frequency Hard handover (RNC)
� Inter-Frequency Hard Handover Requests: VS.HHO.InterFreq.Att.RNC at point B
� Successful Inter-Frequency Hard Handovers: VS.HHO.InterFreq.Succ.RNC at point C
� Inter-frequency Hard handover (Cell)
� Hard Handover Requests: VS.HHO.InterFreq.AttOut at point B
� Successful Hard Handovers: VS.HHO.InterFreq.SuccOut at point C
HUAWEI TECHNOLOGIES CO., LTD. Page 17HUAWEI Confidential
Inter-frequency Hard Handover Counter System
� Inter-frequency hard handover execution failure, due to:
� configuration unsupported: VS.HHO.InterFreqOut.CfgUnsupp
� physical channel failure: VS.HHO.InterFreqOut.PyhChFail
� Incompatible simultaneous reconfiguration: VS.HHO.InterFreqOut.FailUSR
� cell update occurred: VS.HHO.InterFreqOut.CellUpdt
� invalid configuration: VS.HHO.InterFreqOut.CfgInvalid
HUAWEI TECHNOLOGIES CO., LTD. Page 18HUAWEI Confidential
Inter-frequency Hard Handover Counter System
� Inter-frequency Hard handover Failure Analysis (Cell)
� VS.HHO.InterFreqOut.NoReply
HUAWEI TECHNOLOGIES CO., LTD. Page 19HUAWEI Confidential
Inter-frequency Hard Handover Counter System
� Inter-frequency Hard handover Failure Analysis (Cell)
� Code resource allocation failure: VS.HHO.InterFreqOut.DLCodeRej
� UL admission rejection :VS.HHO.InterFreqOut.ULAdmsnDeny
� DL admission rejected: VS.HHO.InterFreqOut.DLAdmsnDeny
HUAWEI TECHNOLOGIES CO., LTD. Page 20HUAWEI Confidential
Hard Handover Counter System
� Hard handover (RNC)
� Hard Handover Requests: VS.HHO.Att.RNC at point B
� Successful Hard Handovers: VS.HHO.Succ.RNC at point C
� Hard handover based on different services (Cell)
� VS.HHO.AMR.AttOut
� VS.HHO.CS64.AttOut
� VS.HHO.PS64.AttOut
� VS.HHO.PS128.AttOut
� VS.HHO.PS384.AttOut
� VS.HHO.AMR.SuccOut
� VS.HHO.CS64.SuccOut
� VS.HHO.PS64.SuccOut
� VS.HHO.PS128.SuccOut
� VS.HHO.PS384.SuccOut
HUAWEI TECHNOLOGIES CO., LTD. Page 21HUAWEI Confidential
Inter-frequency hard handover KPI
� Inter-frequency Hard Handover Success Rate
�Formula
�Measurement scope:
− RNC & Cell
�Description
− This KPI can be used to evaluate the inter-frequency hard
handover success Rate in one RNC.
%100_ ×=temptInterHHOAt
ccessInterHHOSuSRInterHHO
HUAWEI TECHNOLOGIES CO., LTD. Page 22HUAWEI Confidential
Inter-frequency hard handover KPI
� Inter-frequency Hard Handover Success Rate
� Counters (RNC)
− InterHHOAttempt (RNC): VS.HHO.InterFreq.Att.RNC
− InterHHOSuccess (RNC): VS.HHO.InterFreq.Succ.RNC
� Counters (Cell)
− InterHHOAttempt (Cell): VS.HHO.InterFreq.AttOut
− InterHHOSuccess (Cell): VS.HHO.InterFreq.SuccOut
HUAWEI TECHNOLOGIES CO., LTD. Page 23HUAWEI Confidential
Chapter 1 Soft Handover Counter and KPI Chapter 1 Soft Handover Counter and KPI
Chapter 2 Hard Handover Counter and KPIChapter 2 Hard Handover Counter and KPI
Chapter 3 InterChapter 3 Inter--RAT Handover Counter and KPIRAT Handover Counter and KPI
Chapter 4 HSDPA Handover Counter and KPIChapter 4 HSDPA Handover Counter and KPI
HUAWEI TECHNOLOGIES CO., LTD. Page 24HUAWEI Confidential
Inter-RAT Handover Counter System
� CS Inter-RAT handover procedure
� CS handover from WCDMA to GSM
� This procedure can be divided into two steps:
− Handover preparation:
▪ From point A to point B
− Handover execution
▪ From point C to point D
HUAWEI TECHNOLOGIES CO., LTD. Page 25HUAWEI Confidential
Inter-RAT Handover Counter System
� CS Inter-RAT handover counters (RNC)
� Preparation request: VS.SRELOC.AttPrep.IRHOCS at point A
� Preparation success: VS.SRELOC.SuccPrep.IRHOCS at point B
� Execution request: VS.IRATHO.AttCSOut.RNC at point C
� Execution success: VS.IRATHO.SuccCSOut.RNC at point D
� CS Inter-RAT handover counters (Cell)
� Preparation request: IRATHO.AttRelocPrepOutCS at point A
� Preparation success: IRATHO.SuccRelocPrepOutCS at point B
� Execution request: IRATHO.AttOutCS at point C
� Execution success: IRATHO.SuccOutCS at point D
HUAWEI TECHNOLOGIES CO., LTD. Page 26HUAWEI Confidential
Inter-RAT Handover Counter System
� CS Inter-RAT handover preparation failure (RNC) is due to
� No response for Relocation Required at point A in the figure 1:
VS.SRELOC.Fail.IRATCSOutNRpl
� Failure response for Relocation Required at point A in the figure 2:
VS.SRELOC.FailPrep.IRATCSOut
Figure1 Figure2
HUAWEI TECHNOLOGIES CO., LTD. Page 27HUAWEI Confidential
Inter-RAT Handover Counter System
� CS Inter-RAT handover execution failure is due to
� Configuration Unsupported :
− VS.IRATHO.FailCSOut.CfgUnRNC (RNC)
− IRATHO.FailOutCS.CfgUnsupp (Cell)
� Physical Channel Failure :
− VS.IRATHO.FailCSOut.PhyFaRNC (RNC)
− IRATHO.FailOutCS.PhyChFail (Cell)
HUAWEI TECHNOLOGIES CO., LTD. Page 28HUAWEI Confidential
Inter-RAT Handover Counter System
� PS Inter-RAT handover procedure
� PS handover from WCDMA to GPRS
� This procedure can be divided into two steps:
− Handover preparation:
▪ From point A to point B
− Handover execution
▪ From point B to point C
HUAWEI TECHNOLOGIES CO., LTD. Page 29HUAWEI Confidential
Inter-RAT Handover Counter System
� PS Inter-RAT handover counters (RNC)
� Preparation request: VS.IRATHO.EvalPSOutUTRAN.RNC at point A
� Preparation success and Execution request: VS.IRATHO.AttPSOutUTRAN.RNC at point B
� Execution success: VS.IRATHO.SuccPSOutUTRAN.RNC at point C
� PS Inter-RAT handover counters (Cell)
� Execution request: VS.IRATHO.AttOutPSUTRAN at point B
� Execution success: VS.IRATHO.SuccOutPSUTRAN at point C
HUAWEI TECHNOLOGIES CO., LTD. Page 30HUAWEI Confidential
Inter-RAT Handover Counter System
� PS Inter-RAT handover failure counters (RNC)
� No response for Cell Change Order from UTRAN, and then no Iu release command
from CN: VS.IRATHO.PSOut.NoReply
� Failure response from UE: VS.IRATHO.PSOut.Fail
− Configuration unacceptable: VS.IRATHO.PSOut.CfgUnsup
− Physical Channel Failure: VS.IRATHO.PSOut.PhyCHFail
− Unspecified: VS.IRATHO.PSOut.Unpec
HUAWEI TECHNOLOGIES CO., LTD. Page 31HUAWEI Confidential
Inter-RAT Handover KPI
� CS Inter-RAT Handover Preparation Success Rate (WCDMA to GSM)
�Formula
�Measurement scope:
− RNC & Cell
�Description
− This KPI can be used to evaluate the CS inter-RAT preparation
handover success Rate in one RNC
%100*_tPpHOAttempCSInterRAT
sPpHOSuccesCSInterRATSRATPpHOCSInterreR =
HUAWEI TECHNOLOGIES CO., LTD. Page 32HUAWEI Confidential
Inter-RAT Handover KPI
� CS Inter-RAT Handover Preparation Success Rate (WCDMA to GSM)
� Counters
− CSInterRATPpHOAttempt:
VS.SRELOC.AttPrep.IRHOCS (RNC)
IRATHO.AttRelocPrepOutCS (Cell)
− CSInterRATPpHOSuccess
VS.SRELOC.SuccPrep.IRHOCS (RNC)
IRATHO.SuccRelocPrepOutCS (Cell)
HUAWEI TECHNOLOGIES CO., LTD. Page 33HUAWEI Confidential
Inter-RAT Handover KPI
� CS Inter-RAT Handover Execution Success Rate (WCDMA to GSM)
�Formula
�Measurement scope:
− RNC & Cell
�Description
− This KPI can be used to evaluate the CS inter-RAT handover
success Rate in one RNC
%100*_HOAttemptCSInterRAT
HOSuccessCSInterRATSRHOCSInterRAT =
HUAWEI TECHNOLOGIES CO., LTD. Page 34HUAWEI Confidential
Inter-RAT Handover KPI
� CS Inter-RAT Handover Execution Success Rate (WCDMA to GSM)
� Counters
− CSInterRATHOAttempt:
VS.IRATHO.AttCSOut.RNC (RNC)
IRATHO.AttOutCS (Cell)
− CSInterRATHOSuccess
VS.IRATHO.SuccCSOut.RNC (RNC)
IRATHO.SuccOutCS (Cell)
HUAWEI TECHNOLOGIES CO., LTD. Page 35HUAWEI Confidential
Inter-RAT Handover KPI
� PS Inter-RAT Handover Preparation Success Rate (WCDMA to GPRS)
�Formula
�Measurement scope:
− RNC
�Description
− This KPI can be used to evaluate the PS inter-RAT handover
prepaRaten success Rate in one RNC
%100_ ×=tOutPpHOAttempPSInterRAT
sOutPpHOSuccesPSInterRATSRPpHOPSInterRAT out
HUAWEI TECHNOLOGIES CO., LTD. Page 36HUAWEI Confidential
Inter-RAT Handover KPI
� PS Inter-RAT Handover Preparation Success Rate (WCDMA to GSM)
� Counters
− PSInterRATPpHOAttempt (RNC):
VS.IRATHO.EvalPSOutUTRAN.RNC
− PSInterRATPpHOSuccess (RNC)
VS.IRATHO.AttPSOutUTRAN.RNC
HUAWEI TECHNOLOGIES CO., LTD. Page 37HUAWEI Confidential
Inter-RAT Handover KPI
� PS Inter-RAT Handover Execution Success Rate (WCDMA to GPRS)
�Formula
�Measurement scope:
− RNC & Cell
�Description
− This KPI can be used to evaluate the PS inter-RAT handover
success Rate in one RNC, which includes handover out from this
RNC
%100_ ×=utHOAttemptOPSInterRAT
utHOSuccessOPSInterRATSRHOPSInterRAT out
HUAWEI TECHNOLOGIES CO., LTD. Page 38HUAWEI Confidential
Inter-RAT Handover KPI
� PS Inter-RAT Handover Execution Success Rate (WCDMA to GSM)
� Counters
− PSInterRATHOAttempt:
VS.IRATHO.AttPSOutUTRAN.RNC (RNC)
IRATHO.AttOutPSUTRAN (Cell)
− PSInterRATHOSuccess:
VS.IRATHO.SuccPSOutUTRAN.RNC (RNC)
IRATHO.SuccOutPSUTRAN (Cell)
HUAWEI TECHNOLOGIES CO., LTD. Page 39HUAWEI Confidential
Chapter 1 Soft Handover Counter and KPI Chapter 1 Soft Handover Counter and KPI
Chapter 2 Hard Handover Counter and KPIChapter 2 Hard Handover Counter and KPI
Chapter 3 InterChapter 3 Inter--RAT Handover Counter and KPIRAT Handover Counter and KPI
Chapter 4 HSDPA Handover Counter and KPIChapter 4 HSDPA Handover Counter and KPI
HUAWEI TECHNOLOGIES CO., LTD. Page 40HUAWEI Confidential
HSDPA Handover KPI
� HS-DSCH Service Cell Change Success Rate with SHO
�Formula
�Measurement scope:
− Cell
�Description
− This KPI can be used to evaluate the soft handover success Rate
of HSDPA service in a cell.
%100×=empNumHtoHSHOAtt
cessNumHtoHSHOSuccessRatioHtoHSHOSuc
HUAWEI TECHNOLOGIES CO., LTD. Page 41HUAWEI Confidential
HSDPA Handover KPI
� HS-DSCH Service Cell Change Success Rate with SHO
�Counters
− HtoHSHOAttempNum: VS.HSDPA.CellChg.AttOutIntraRNC
�Measurement point:
− The measurement is triggered at point A as shown in the figure when the RNC
sends a PHYSICAL CHANNLE RECONFIGRATION message to a UE for HSDPA
serving cell change between two intra-frequency cells.
− RNC measures this item in the original cell
HUAWEI TECHNOLOGIES CO., LTD. Page 42HUAWEI Confidential
HSDPA Handover KPI
� HS-DSCH Service Cell Change Success Rate with SHO
�Counters
− HtoHSHOSuccessNum: VS.HSDPA.CellChg.SuccOutIntraRNC
�Measurement point:
− The measurement is triggered at point B as shown in the figure when the RNC
receives from a UE a PHYSICAL CHANNLE RECFG COMPLETE message
− RNC measures this item in the original cell
HUAWEI TECHNOLOGIES CO., LTD. Page 43HUAWEI Confidential
HSDPA Handover KPI
� Inter-frequency Hard Handover Success Rate (HSDPA to HSDPA)
�Formula
�Measurement scope:
− RNC
�Description
− This KPI can be used to evaluate the inter-frequency hard
handover success Rate of HSDPA service in a cell
%100×=mHOAttempNuHtoHInterH
umHOSuccessNHtoHInterHatioHOSuccessRHtoHInterH
HUAWEI TECHNOLOGIES CO., LTD. Page 44HUAWEI Confidential
HSDPA Handover KPI
� Inter-frequency Hard Handover Success Rate (HSDPA to HSDPA)
�Counters
− HtoHInterHHOAttemptNum:
VS.HSDPA.HHO.AttOutIntraRNCInterFreq
� Measurement point:
− The measurement is triggered at point A as shown in the figure.
− When the RNC sends a PHYSICAL CHANNLE RECONFIGRATION message to a
UE for an inter-frequency hard handover from HS-DSCH to HS-DSCH, the RNC
measures this item in the original cell.
HUAWEI TECHNOLOGIES CO., LTD. Page 45HUAWEI Confidential
HSDPA Handover KPI
� Inter-frequency Hard Handover Success Rate (HSDPA to HSDPA)
�Counters
− HtoHInterHHOSuccessNum:
VS.HSDPA.HHO.SuccOutIntraRNCInterFreq
�Measurement point:
− The measurement is triggered at point B as shown in the figure.
− When the RNC receives from a UE a PHYSICAL CHANNLE RECFG COMPLETE
message indicating that the handover is an inter-frequency hard handover from HS-
DSCH to HS-DSCH, the RNC measures this item in the original cell
HUAWEI TECHNOLOGIES CO., LTD. Page 46HUAWEI Confidential
HSDPA Handover KPI
� Channel Handover Success Rate((((HSDPA to DCH))))
�Formula
�Measurement scope:
− Cell
�Description
− This KPI can be used to evaluate the channel handover success
Rate when UE handover from HSDPA to DCH in a cell.
%100×=mpNumHtoRHOAtte
essNumHtoRHOSuccessRatioHtoRHOSucc
HUAWEI TECHNOLOGIES CO., LTD. Page 47HUAWEI Confidential
HSDPA Handover KPI
� Channel Handover Success Rate((((HSDPA to
DCH))))
�Counters
− HtoRHOAttempNum:
VS.HSDPA.ChR.HSDSCHtoDCH.Att
�Measurement point:− The measurement is triggered at point A as shown in the figure
− the RNC measures this item in the serving cell when sending a RADIO BEARER RECONFIGURATION message to a UE during a DCCC or RAB MODIFY procedure
− Note : the Transport channels change at the same cell
HUAWEI TECHNOLOGIES CO., LTD. Page 48HUAWEI Confidential
HSDPA Handover KPI
� Channel Handover Success Rate((((HSDPA to DCH))))
�Counters
− HtoRHOSuccessNum:
VS.HSDPA.ChR.HSDSCHtoDCH
�Measurement point:
− The measurement is triggered at point A1 as shown in the figure
− When the RNC receives RADIO BEARER RECONFIGURATION COMPLETE message from UE, which indicates a handover from HSDSCH to DCH during a
DCCC or RAB MODIFY procedure, the RNC measures this item in a HSDPA cell the UE camps on
− Note : the Transport channels change at the same cell
HUAWEI TECHNOLOGIES CO., LTD. Page 49HUAWEI Confidential
HSDPA Handover KPI
� Channel Handover Success Rate((((DCH to HSDPA))))
�Formula
�Measurement scope:
− Cell
�Description
− This KPI can be used to evaluate the channel handover success
Rate when UE handover from DCH to HSDPA in a cell.
%100×=mpNumRtoHHOAtte
essNumRtoHHOSuccessRatioRtoHHOSucc
HUAWEI TECHNOLOGIES CO., LTD. Page 50HUAWEI Confidential
HSDPA Handover KPI
� Channel Handover Success Rate((((DCH to HSDPA))))
�Counters
− RtoHHOAttempNum:
VS.HSDPA.ChR.DCHtoHSDSCH.Att
�Measurement point:
− The measurement is triggered at point A as shown in the figure.
− When sending a RADIO BEARER RECONFIGURATION message to a UE during a DCCC or RAB MODIFY procedure , the RNC measures this item in the serving cell
of the HSDPA service based on the transport channels the UE occupies before and after the reconfiguration.
− Note : the Transport channels change at the same cell
HUAWEI TECHNOLOGIES CO., LTD. Page 51HUAWEI Confidential
HSDPA Handover KPI
� Channel Handover Success Rate((((DCH to HSDPA))))
�Counters
− RtoHHOSuccessNum:
VS.HSDPA.ChR.DCHtoHSDSCH
�Measurement point:
− The measurement is triggered at point A1 as shown in the figure
− When receiving RADIO BEARER RECONFIGURATION COMPLETE message from UE, which indicating a handover from DCH to HSDSCH during a DCCC or
RAB MODIFY procedure at the same cell, RNC measures this item in a HSDPA
cell the UE camps on.
HUAWEI TECHNOLOGIES CO., LTD. Page 52HUAWEI Confidential
HSDPA Handover KPI
� HSDPA Inter-RAT Handover Success Rate (WCDMA to GPRS )
�Formula
�Measurement scope:
− Cell
�Description
− This KPI can be used to evaluate the HSDPA inter-RAT handover
success Rate in one cell, from WCDMA to GPRS
%100_ ×=ptRATHOAttemHSDPAInter
ssRATHOSucceHSDPAInterSRRATHOHSDPAInter
HUAWEI TECHNOLOGIES CO., LTD. Page 53HUAWEI Confidential
HSDPA Handover KPI
� HSDPA Inter-RAT Handover Success Rate (WCDMA to GPRS )
� Counters
− HSDPAInterRATHOAttempt:
VS.IRATHO.HSDPA.AttOutPSUTRAN
�Measurement point:
− The measurement is triggered at point B as shown in the figure
− When RNC sends the CELL CHANGE
ORDER FROM UTRAN message to UE dut to HSDPA inter-RAT outgoing
handover, the measurement is triggered in
the original cell
HUAWEI TECHNOLOGIES CO., LTD. Page 54HUAWEI Confidential
HSDPA Handover KPI
� HSDPA Inter-RAT Handover Success Rate (WCDMA to GPRS )
� Counters
− HSDPAInterRATHOSuccess:
VS.IRATHO.HSDPA.SuccOutPSUTRAN
�Measurement point:
− The measurement is triggered at point D as shown in the figure
− When RNC sends Iu Release Complete
to CN due to HSDPA handover, the measurement is triggered in the original
cell.
HUAWEI TECHNOLOGIES CO., LTD. Page 55HUAWEI Confidential
Other Mobility KPI
� Numbers of Soft Handovers Decided for Different Traffic
Classes (Cell)
� VS.SHO.service.AttOut, VS.SHO.service.SuccOut
� Notes: Service could be AMR, CS64, PS64, PS128, PS144, PS384
� Number of SHO Event Measurement Reports (Cell)
� VS.RRC.MrRpt.1x
� VS.RRC.MrRpt.1A. Detect
� Notes:1x could be 1A, 1B, 1C or 1D
� Numbers of Requested Outgoing Hard Handovers by Different
Traffic Classes (Cell)
� VS.HHO.service.AttOut, VS.HHO.service.SuccOut
� Notes: Service could be AMR, CS64, PS64, PS128, PS144, PS384
Other related CountersOther related Counters
HUAWEI TECHNOLOGIES CO., LTD. Page 56HUAWEI Confidential
Summary
� This slide introduces WCDMA mobility KPI and
related counters:
�Soft handover counter and KPI
�Hard handover counter and KPI
� Inter-RAT handover counter and KPI
�HSDPA handover counter and KPI
SummarySummary
Thank youwww.huawei.com